Merge pull request #609 from jmmendivil/1.8/develop

Inside root install requires change packages (PKGPATH) and core path (COREPATH) too
added new link_offset to the pagination docs
Update classes/model_crud/methods.html
better explanation of Pagination link_offset
Merge pull request #610 from shinagaki/fix_modelcrud

Update classes/model_crud/methods.html
Update usage.html

corrected example password text (they were opposite way around)
amended comment, changed "reset" to "change"
Merge pull request #612 from 57u/patch-1

Update usage.html
bumped the copyright to 2014
cleanup of the tutorial page
fixed incorrect docs for get_groups()
removed the note about restrictions on creating new EAV entries
Update eav.html

Extending model_to in related models
Correcting small typo errors
Merge pull request #613 from kay899/1.8/develop

Update eav.html
Update eav.html

Correcting typo errors
Update usage.html

https://github.com/fuel/docs/issues/615
Update db.html
Merge pull request #616 from EmRa228/patch-1

Update usage.html
Merge pull request #617 from EmRa228/patch-2

Update db.html
change vales to values
Merge pull request #618 from EmRa228/patch-3

change vales to values